We are one of the leading manufacturer, exporter, distributor and supplier of High quality ERW welded steel pipes. ERW steel pipes and tubes are used in various engineering purposes, fencing, scaffolding, line pipes etc. These pipes are highly durable, reliable, corrosion resistant and possess high strength. ERW pipe is available with square ends or beveled for welding, threaded and coupled and victaulic grooved. These pipes available in different size, grades, specification & thickness as per the clients requirements. These pipes is widely used in various application industry like oil & gas, paper, breweries, cement, sugar, oil mills, mining, shipbuilding, steel plant etc. We also offer competitive pricing on small & larger quantity for our clients.
ASTM A53, GB/T9711, BS 1387, L175, L210, L245, L290, L390, L415, L450, L485, L555 pipes suppliers in China.
| ERW Welded Steel Pipe Size & Specification |
| Standard | GB/T3091-2008, API SPEC 5L |
| Material | Q195, Q215, Q235, Q345B, X42, X52, X60 |
| Type | Straight welded steel pipe |
| Process | Electrical resistance weld |
| Dimensions Diameter | 114mm-1440mm |
| Thickness | 4mm-30mm |
| Length | According to your requirements |
| Specification | 114-1440mm*4-30mm |
| Other Materials Testing | NACE MR0175, etc. |
| ERW Welded Steel Pipe Size & Specification |
| Usage | Used for low pressure liquid delivery, such as water, gas, and oil. |
| Process | ERW (Electric Resistance Welded)
HFI (High Frequency Induction)
EFW(ELECTRIC FUSION WELDED TUBE)
HFW(High-Frequency Welding) |
| Quality Standard | ERW HFI, EFW |
| GB/T3091 Welded steel pipe for low pressure liquid delivery |
| GB/T9711 Petroleum and natural gas industries- Steel pipe for pipelines |
| IS: 3589 Steel tubes for water and sewage |
| IS: 1978-1982 Steel tubes for use in transportation of oil; gas & Petroleum products |
| BS: 1387 Steel Tubes for use for Water, Gas, Air and Steam |
| ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless |
| DIN 2458 WELDED STEEL PIPES AND TUBES EN10217 Welded steel tubes for pressure purposes. |
| Steel Grade | BS:1387, EN10217:S185, S235,S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44, ST52 ASTM A 53 : Gr. A, Gr B, Gr C, Gr.D API 5L : A, B, X42, X46, X52, X56, X60, X65 X70. |
| steel grade | chemical composition |
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | V |
| 20# | 0.17-0.23 | 0.15-0.40 | 0.60-1.00 | ≤0.030 | ≤0.020 | ≤0.25 |
| ≤0.25 | ≤0.25 |
|
| 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | ≤0.25 |
| ≤0.30 | ≤0.25 |
|
| A105export | 0.18-0.22 | 0.10-0.30 | 0.80-1.10 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.10 | ≤0.25 | ≤0.35 | ≤0.03 |
| A105ordinary | ≤0.35 | 0.10-0.35 | 0.60-1.05 | ≤0.035 | ≤0.040 | ≤0.30 | ≤0.12 | ≤0.40 | ≤0.40 | ≤0.05 |
| 16Mn | 0.13-0.20 | 0.20-0.60 | 1.20-1.60 | ≤0.030 | ≤0.020 | ≤0.30 |
| ≤0.30 | ≤0.25 |
|
| 15CrMo | 0.12-0.18 | 0.10-0.60 | 0.30-0.80 | ≤0.025 | ≤0.015 | 0.80-1.25 | 0.45-0.65 | ≤0.30 | ≤0.25 |
|
| 12Cr1MoV | 0.09-0.15 | 0.15-0.40 | 0.40-0.70 | ≤0.025 | ≤0.015 | 0.90-1.20 | 0.25-0.35 | ≤0.30 | ≤0.25 | 0.15-0.30 |
| 12CrMoV | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.30-0.60 | 0.25-035 | ≤0.30 | ≤0.30 | 0.15-0.30 |
| 20CrMo | 0.17-0.24 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.80-1.10 | 0.15-0.25 | ≤0.30 | ≤0.30 |
|
| 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.25 | ≤0.30 | ≤0.30 |
|